{"instruction": "You are an expert in event extraction. Please extract event types and event trigger words from the input that conform to the schema definition. Return an empty list for non-existent events. Please respond in the format of a JSON string.", "schema": ["adverse event", "potential therapeutic event"], "input": "Evaluation of the literature provides substantial evidence for the use of hydrocortisone in prevention of cardiac arrhythmias."}
{"adverse event": [], "potential therapeutic event": ["prevention "]}